27905975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 36441120

約数和(自身を除く): 8535145

約数列:

[1, 5, 25, 29, 61, 145, 305, 631, 725, 1525, 1769, 3155, 8845, 15775, 18299, 38491, 44225, 91495, 192455, 457475, 962275, 1116239, 5581195, 27905975]

約数ペア:

[(1, 27905975), (5, 5581195), (25, 1116239), (29, 962275), (61, 457475), (145, 192455), (305, 91495), (631, 44225), (725, 38491), (1525, 18299), (1769, 15775), (3155, 8845)]